Ch.7 - Quantum MechanicsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: (a) How much energy is required to ionize hydrogen when it is in the ground state?
eV
(b) How much energy is required to ionize hydrogen when it is in the state for which n = 5?
eV

Problem

(a) How much energy is required to ionize hydrogen when it is in the ground state?
eV

(b) How much energy is required to ionize hydrogen when it is in the state for which n = 5?
eV

Solution

The problems requires us to calculate for the energy required to ionize Hydrogen at different states.

a. We want to get the energy required to ionize hydrogen when it is in the ground state, hence the formula to use is the Bohr and Balmer equation.

Where:

En= Energy at a state of n 

Rh= Rydberg Constant (2.18x10-18 J)

= energy level

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